#ifndef _ASM_IA64_UNALIGNED_H
#define _ASM_IA64_UNALIGNED_H
-#include <linux/types.h>
-
-/*
- * The main single-value unaligned transfer routines.
- *
- * Based on <asm-alpha/unaligned.h>.
- *
- * Copyright (C) 1998, 1999, 2003 Hewlett-Packard Co
- * David Mosberger-Tang <davidm@hpl.hp.com>
- */
-#define get_unaligned(ptr) \
- ((__typeof__(*(ptr)))ia64_get_unaligned((ptr), sizeof(*(ptr))))
-
-#define put_unaligned(x,ptr) \
- ia64_put_unaligned((unsigned long)(x), (ptr), sizeof(*(ptr)))
-
-struct __una_u64 { __u64 x __attribute__((packed)); };
-struct __una_u32 { __u32 x __attribute__((packed)); };
-struct __una_u16 { __u16 x __attribute__((packed)); };
-
-static inline unsigned long
-__uld8 (const unsigned long * addr)
-{
- const struct __una_u64 *ptr = (const struct __una_u64 *) addr;
- return ptr->x;
-}
-
-static inline unsigned long
-__uld4 (const unsigned int * addr)
-{
- const struct __una_u32 *ptr = (const struct __una_u32 *) addr;
- return ptr->x;
-}
-
-static inline unsigned long
-__uld2 (const unsigned short * addr)
-{
- const struct __una_u16 *ptr = (const struct __una_u16 *) addr;
- return ptr->x;
-}
-
-static inline void
-__ust8 (unsigned long val, unsigned long * addr)
-{
- struct __una_u64 *ptr = (struct __una_u64 *) addr;
- ptr->x = val;
-}
-
-static inline void
-__ust4 (unsigned long val, unsigned int * addr)
-{
- struct __una_u32 *ptr = (struct __una_u32 *) addr;
- ptr->x = val;
-}
-
-static inline void
-__ust2 (unsigned long val, unsigned short * addr)
-{
- struct __una_u16 *ptr = (struct __una_u16 *) addr;
- ptr->x = val;
-}
-
-
-/*
- * This function doesn't actually exist. The idea is that when someone uses the macros
- * below with an unsupported size (datatype), the linker will alert us to the problem via
- * an unresolved reference error.
- */
-extern unsigned long ia64_bad_unaligned_access_length (void);
-
-#define ia64_get_unaligned(_ptr,size) \
-({ \
- const void *__ia64_ptr = (_ptr); \
- unsigned long __ia64_val; \
- \
- switch (size) { \
- case 1: \
- __ia64_val = *(const unsigned char *) __ia64_ptr; \
- break; \
- case 2: \
- __ia64_val = __uld2((const unsigned short *)__ia64_ptr); \
- break; \
- case 4: \
- __ia64_val = __uld4((const unsigned int *)__ia64_ptr); \
- break; \
- case 8: \
- __ia64_val = __uld8((const unsigned long *)__ia64_ptr); \
- break; \
- default: \
- __ia64_val = ia64_bad_unaligned_access_length(); \
- } \
- __ia64_val; \
-})
-
-#define ia64_put_unaligned(_val,_ptr,size) \
-do { \
- const void *__ia64_ptr = (_ptr); \
- unsigned long __ia64_val = (_val); \
- \
- switch (size) { \
- case 1: \
- *(unsigned char *)__ia64_ptr = (__ia64_val); \
- break; \
- case 2: \
- __ust2(__ia64_val, (unsigned short *)__ia64_ptr); \
- break; \
- case 4: \
- __ust4(__ia64_val, (unsigned int *)__ia64_ptr); \
- break; \
- case 8: \
- __ust8(__ia64_val, (unsigned long *)__ia64_ptr); \
- break; \
- default: \
- ia64_bad_unaligned_access_length(); \
- } \
-} while (0)
+#include <asm-generic/unaligned.h>
#endif /* _ASM_IA64_UNALIGNED_H */
git://git.onelab.eu / linux-2.6.git / blobdiff